Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:10:24: error: ‘strlen’ was not declared in this scope int k, n = strlen(c); ^ user.cpp:13:22: error: ‘strchr’ was not declared in this scope if(strchr(v, c[0])) arr[0] = 0; ^ user.cpp:17:30: error: ‘strchr’ was not declared in this scope if(strchr(v, c[i])) arr[i] = i; ^ user.cpp:23:30: error: ‘strchr’ was not declared in this scope if(strchr(v, c[i])) f = 1; ^ user.cpp:32:38: error: ‘strchr’ was not declared in this scope if(strchr(v, c[j])) x[j][i] = x[j-1][i-1] + x[j-1][i]; ^ user.cpp:9:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%s", c); ^ user.cpp:11:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &k); ^